English Amiga Board


Go Back   English Amiga Board > Search Forums

Showing results 1 to 40 of 122
Search took 0.02 seconds.
Search: Posts Made By: jbilander
Forum: Hardware mods 12 February 2020, 13:16
Replies: 74
Views: 10,656
Posted By jbilander
Maybe put a PLL on there or is it too easy? :) ...

Maybe put a PLL on there or is it too easy? :)

https://www.diodes.com/assets/Datasheets/PT7C4511.pdf
Forum: Hardware mods 09 February 2020, 21:54
Replies: 16
Views: 558
Posted By jbilander
KiCad GerbView can export to kicad_pcb, but the...

KiCad GerbView can export to kicad_pcb, but the result might be useless?

In Eagle: File->Import->Gerber included from v7.5 and KiCad can import from Eagle but again I don't know how useful the...
Forum: Hardware mods 09 February 2020, 19:07
Replies: 163
Views: 8,691
Posted By jbilander
Yes please open source this. I'm curious to learn...

Yes please open source this. I'm curious to learn more about the glue logic with the Amiga learning from people who know how to do this the right way. Ofc people who put a lot of time and talent in...
Forum: Hardware mods 08 February 2020, 11:21
Replies: 163
Views: 8,691
Posted By jbilander
Impressive, well done :great, what version of...

Impressive, well done :great, what version of SysInfo are you using? Maybe later revisions are more accurate in this regard?

https://sysinfo.d0.se/
Forum: Hardware mods 07 February 2020, 10:13
Replies: 163
Views: 8,691
Posted By jbilander
On that topic, may I suggest the name Harpia...

On that topic, may I suggest the name Harpia after the coolest/biggest bird on the planet, the Harpy Eagle (Harpia Harpyja). A real predator and it feeds on sloths (amongst others) so you can call...
Forum: Hardware mods 05 February 2020, 15:06
Replies: 5
Views: 395
Posted By jbilander
Yes, I think it takes: 240p/480i, 288p/576i, NTSC...

Yes, I think it takes: 240p/480i, 288p/576i, NTSC (60Hz) and PAL (50Hz) at 15kHz and Output: HDMI at 480p/576p (line-doubled mode). I think analog RGB internally is converted to YCbCr just like the...
Forum: support.Hardware 02 February 2020, 11:02
Replies: 1
Views: 166
Posted By jbilander
The Amiga mostly uses the +5V rail, so check that...

The Amiga mostly uses the +5V rail, so check that one is ok too. You should have +5V, +12V and -12V coming from the PSU. If that all looks ok then it is probably something inside the Amiga. Check if...
Forum: Hardware mods 01 February 2020, 11:52
Replies: 5
Views: 395
Posted By jbilander
New product: Retrotink 2X-SCART

This, I think, will be an interesting product to try with the Amiga...

"Like the Pro, it offers smoothing and scan-line generation as well as a USB firmware upgrade capability."

"Note: the...
Forum: Amiga scene 31 January 2020, 10:13
Replies: 408
Views: 39,218
Posted By jbilander
As promised the 3d-model is now publicly...

As promised the 3d-model is now publicly available (on grabcad). I didn't dare to put AMIGA on the case because of the legal situation. I went with VAMPIRE, however it is trivial to DIY in the model...
Forum: support.Hardware 29 November 2019, 16:31
Replies: 6
Views: 316
Posted By jbilander
What PSU model is this? Just drain the capacitors...

What PSU model is this? Just drain the capacitors of any charge before you start poke around, you should be safe. Inspect the electrolytic caps visually if any has "popped" and start leaking. One...
Forum: support.Hardware 21 November 2019, 12:42
Replies: 4
Views: 405
Posted By jbilander
It does remove the NOT in front of the IN USE. In...

It does remove the NOT in front of the IN USE. In WB 3.1 you can just try type the command CPU FastROM in shell and it makes use of the MMU to protect the kickstart now mapped to RAM. This speeds up...
Forum: support.Hardware 19 November 2019, 12:40
Replies: 18
Views: 739
Posted By jbilander
Picture on product site shows IDE drive speed of...

Picture on product site shows IDE drive speed of ~5.5 and youtube video ~6.5 so you should be able to crank it up significantly from your ~3.3 reading. This probably involves using the 512k FlashROM...
Forum: support.Hardware 17 November 2019, 22:38
Replies: 13
Views: 514
Posted By jbilander
I use ChipQuick SMD291 No-Clean Tack Flux or...

I use ChipQuick SMD291 No-Clean Tack Flux or Amtech NC-559-V2-TF Tacky Flux with plunger needle. For solder paste Loctite GC 10 solder paste in syringe (can be stored up to one year at regular room...
Forum: Hardware mods 16 November 2019, 18:31
Replies: 51
Views: 4,360
Posted By jbilander
Nice, what video format do you have the source...

Nice, what video format do you have the source in?. With the free handbrake software (open source video transcoder) you can encode a mp4 (H.264) with high quality settings (high profile) that youtube...
Forum: Hardware mods 15 November 2019, 11:30
Replies: 51
Views: 4,360
Posted By jbilander
I did a little research about these...

I did a little research about these Pound/Hyperkin/LevelHike cables. They all seem to use the same generic chipset and treat 240p as 480i which of course ruins image quality (scrolling blur) and from...
Forum: Hardware mods 14 November 2019, 15:17
Replies: 51
Views: 4,360
Posted By jbilander
Interesting solution for a decent price, looking...

Interesting solution for a decent price, looking forward to your youtube video. I wonder how much current it draws? Maybe you can power it from the Amiga pin 23 (+5V max 100 mA) as well.
Forum: Hardware mods 11 November 2019, 14:04
Replies: 7
Views: 751
Posted By jbilander
Thanks, Don't know exactly about cost, I had most...

Thanks, Don't know exactly about cost, I had most parts at home already, just had to get a new db25 and I was all set.
Forum: Hardware mods 11 November 2019, 12:10
Replies: 7
Views: 751
Posted By jbilander
DIY Amiga DB23 to VGA (15 pin) adaptor

Hi all,

Did this adaptor the other day, works great...Goal was to make a very cheap adaptor, hence the use of a cut down db25, but still with good signal quality, maybe someone else has use for...
Forum: support.Hardware 29 October 2019, 12:19
Replies: 8
Views: 492
Posted By jbilander
A standard DB23->VGA adapter doesn't have Csync...

A standard DB23->VGA adapter doesn't have Csync (pin 10) connected to any of the 15 pins (DE-15 connector) inside the adaptor. It only has separate sync pin 11 and 12 wired. What you want for RGBS to...
Forum: support.Hardware 28 October 2019, 23:19
Replies: 8
Views: 492
Posted By jbilander
It doesn't matter if you use the 8-pin or the...

It doesn't matter if you use the 8-pin or the 15-pin connector, they both take RGBS.

https://www.arcadewinkel.nl/image/data/howtos/GBS-8200%20v4.0.jpg


It is a matter of wiring pin 10 from...
Forum: support.Hardware 28 October 2019, 22:15
Replies: 8
Views: 492
Posted By jbilander
Stock firmware does it with RGBS signal, not sure...

Stock firmware does it with RGBS signal, not sure about RGBHV at 15 kHz. What you have read here on the forum, that it only takes 31kHz on RGBHV input, may be correct. Don't know, but try RGBS that I...
Forum: support.Hardware 28 October 2019, 21:42
Replies: 8
Views: 492
Posted By jbilander
The Amiga normally runs at 15 kHz for games (pal...

The Amiga normally runs at 15 kHz for games (pal or ntsc). Even if using a DB23 to VGA-adapter the signal sent from the Amiga is 15kHz although buffered, you would need to run e.g. DblPal mode to get...
Forum: support.Hardware 28 October 2019, 16:20
Replies: 8
Views: 1,446
Posted By jbilander
Ah Ok, thanks. I'll just ignore it then. I want...

Ah Ok, thanks. I'll just ignore it then. I want to keep this install as a "pure" 3.1 ClassicWB installation (only patched scsi.device).
Forum: support.Hardware 28 October 2019, 14:32
Replies: 8
Views: 1,446
Posted By jbilander
Hi, anyone know if there is an easy way to get...

Hi, anyone know if there is an easy way to get old WB3.1 display the correct free space in the Window title bar using this improved Info command?

As you can see free space is reported correctly...
Forum: Hardware mods 11 October 2019, 11:27
Replies: 1
Views: 654
Posted By jbilander
Amiga PSU Cases (3d-printable)

So I've made a couple of psu enclosures in DesignSpark. One for the Mean Well RT-50B and one for the XP Power ECM60UT31. I put the source and stl's on grabcad and github. Maybe someone else has use...
Forum: Amiga scene 05 October 2019, 17:57
Replies: 43
Views: 4,083
Posted By jbilander
iComp will not exhibit at Amiga 34 ...

iComp will not exhibit at Amiga 34

https://icomp.de/shop-icomp/en/33/items/icomp-does-not-exhibit-at-amiga-34.html
Forum: support.Hardware 29 September 2019, 22:22
Replies: 12
Views: 692
Posted By jbilander
Maybe these will work?...

Maybe these will work? https://oshpark.com/shared_projects/fqTwNtc1

Solder angled pins onto pads...
Forum: Hardware mods 20 September 2019, 12:35
Replies: 40
Views: 52,665
Posted By jbilander
What color is the screen? Link below might help...

What color is the screen? Link below might help you out a bit in troubleshooting. If it's green then probably has something to do with the RAM chips you added. Try install a diagrom and troubleshoot...
Forum: Hardware mods 19 September 2019, 01:20
Replies: 2
Views: 696
Posted By jbilander
Gotek internal A500 mount

Hi all,

I wasn't happy with the internal 3d-printed mount I got when buying a Gotek floppy emulator for the Amiga 500. I did a respin to better position stuff and to make it fit with a Rev B case...
Forum: Hardware mods 14 September 2019, 20:56
Replies: 2
Views: 572
Posted By jbilander
RA5-512K remake

This is a reverse-engineered version of the RA5-512K expansion memory card for A500.

Why do a remake of this old pcb?

-For those who might want to reuse/save components from an old A501 or...
Forum: support.Hardware 10 September 2019, 21:23
Replies: 15
Views: 464
Posted By jbilander
Correct, Intel cpu's x86 uses little-endian,...

Correct, Intel cpu's x86 uses little-endian, 68k/PowerPC is big-endian so you have to byteswap burning on a windows/intel machine.
Forum: support.Hardware 10 September 2019, 21:10
Replies: 15
Views: 464
Posted By jbilander
In Remus choose Image Type: "Byte swapped"...

In Remus choose Image Type: "Byte swapped" instead of "Normal".
Forum: support.Hardware 08 September 2019, 13:27
Replies: 4
Views: 297
Posted By jbilander
For a hot air rework station upgrade check out...

For a hot air rework station upgrade check out Louis Rossmann's review on youtube. He recommends the Quick 861DW, and he knows what he's talking about.

For desoldering station many people are...
Forum: support.Hardware 08 September 2019, 12:21
Replies: 12
Views: 538
Posted By jbilander
Welcome to big endian world where computing is a...

Welcome to big endian world where computing is a lot of fun :)

You were indeed lucky finding that motherboard inside. If you want to you can modify it into a fully fledged A500+ pretty easily.
...
Forum: Hardware mods 07 September 2019, 22:13
Replies: 40
Views: 52,665
Posted By jbilander
If it helps anyone else...I did this mod using...

If it helps anyone else...I did this mod using ultra-flat sockets for the RAM chips and they clear the keyboard nicely. This board is a keeper for me :) Some pictures below:
Forum: support.Hardware 07 September 2019, 13:16
Replies: 4
Views: 458
Posted By jbilander
No, cutting JP7A means the jumper on the...

No, cutting JP7A means the jumper on the expansion card has no function (it is the same line but further down), so don't cut JP7A if you want to control this with a jumper on the expansion card. If...
Forum: support.Hardware 04 September 2019, 21:25
Replies: 4
Views: 458
Posted By jbilander
I believe it's like this: To activate...

I believe it's like this:

To activate Expansion RAM (slow mem) the EXRAM line (pin 32 on A500 trapdoor connector) needs to be connected to ground since it is active low enable. With the jumper in...
Forum: support.Hardware 25 August 2019, 06:51
Replies: 4
Views: 296
Posted By jbilander
Yes, you can make the 512k expansion as chip ram...

Yes, you can make the 512k expansion as chip ram if you have the 8372A Fat Agnus chip installed, which should be the case in a rev 6a motherboard. This is a very common and easy mod to do. Basically...
Forum: support.Hardware 21 August 2019, 21:30
Replies: 8
Views: 493
Posted By jbilander
It's on the 7-bit site under the download tab...

It's on the 7-bit site under the download tab (included in the WicherInstaller file). According to the changelog it has support for large sd cards.
...
Forum: support.Hardware 15 August 2019, 11:57
Replies: 17
Views: 978
Posted By jbilander
A quick googling says 50mA max, but I'm not sure...

A quick googling says 50mA max, but I'm not sure that is correct.
https://allpinouts.org/pinouts/connectors/input_device/mouse-joystick-amiga-9-pin/

I took a peek in the book Abacus Advanced...
Showing results 1 to 40 of 122

 
Forum Jump

All times are GMT +2. The time now is 02:30.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
Page generated in 0.09784 seconds with 10 queries